The Unstoppable ia a rare-spawn boss encountered in Borderlands 3.


The Unstoppable can be found in the Tig's Big Rig. As a rare spawn, it may take several attempts before he shows up.



Main article: Kill The Unstoppable


  • Given the opportunity, The Unstoppable will evolve into The Raging Unstoppable, The Super Raging Unstoppable, The Mega Raging Unstoppable, The Ultimate Raging Unstoppable, and The Unstoppable?.
  • Killing The Unstoppable counts towards BIG HURT challenge.
  • The Unstoppable can only spawn from two of the several doors that the COV normally spawn from in Tig's Big Rig.

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